Mikrobiologie gram-negative bacteria gramnegativní bakterie hmotnostní spektrometrie Bacteria Bacterial Typing Techniques Biofilms Cross Infection Czechia Halobacteriales Lactobacillus Listeria monocytogenes Listeriosis MALDI MALDI-TOF MS Mass Spectrometry Meningitis, Listeria Microbiological Techniques Molecular Typing Oligosaccharides Prebiotics Protozoa Pseudomonas aeruginosa Pseudomonas alcaligenes Sialorrhea Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization Symbiosis Vaccination bacteria bakterie